Add progress bar for downlaod

ecoset.py

@@ -133,9 +133,35 @@ class Ecoset(datasets.GeneratorBasedBuilder):
                     member_list = zip_file.namelist()
                     for member in tqdm(member_list, total=len(member_list), desc="Extracting ecoset to disc"):
                         zip_file.extract(member, target_dir, pwd=password.encode("ascii"))
+                        
+                        
+        def subprocess_download(source_url, target_dir):
+            """Moderately slow download"""
+            # ask password
+            password = getpass(_PWD_MSG)
+            check_pass(password)
+            # download
+            print('Using native OS unzipping. This will take about 15h on a typical Linux/Mac and 8h on a typical Windows Computer.')
+            urlinfo = urlparse(source_url, allow_fragments=False)
+            # create destination path if not existing
+            if not op.exists(target_dir):
+                os.makedirs(target_dir)
+            # download zip file if not existing  
+            zip_path = op.join(target_dir, "ecoset.zip")
+            if not op.exists(zip_path):
+                s3 = boto3.client(urlinfo.scheme, config=Config(signature_version=UNSIGNED))
+                object_size = s3.head_object()["ContentLength"]
+                with tqdm.tqdm(total=object_size, unit="B", unit_scale=True, desc=filename) as pbar:
+                    s3.download_file(urlinfo.netloc, urlinfo.path[1:], zip_path,
+                    Callback=lambda bytes_transferred: pbar.update(bytes_transferred))
+            # unzip using platform-based subprocess
+            if platform.system() in ("Linux", "Darwin"):
+                subprocess.call(["unzip", "-n", "-P", password.encode("ascii"), "-o", zip_path, "-d", target_dir], shell=False)
+            else:
+                subprocess.call(["tar.exe", "-xf", zip_path, "-C", target_dir, "--passphrase", password], shell=False)
 
 
-        def subprocess_download(source_url, target_dir):
+        def subprocess_download2(source_url, target_dir):
             """Moderately slow download"""
             # ask password
             password = getpass(_PWD_MSG)